Insights about U.S. Stocks that landed in the Red-Zone during Thursday’s trade, are depicted underneath:

SandRidge Energy Inc (NYSE:SD)‘s shares dwindled -4.60%, and closed at $1.66.

SandRidge Energy, Inc. (SD), has all of the attributes that would lead any Exploration and Production corporation into grave difficulties, and makes a model for which to avoid in the space. Sand Ridge has had several missteps in trying to find a successful core area for production. It bought and sold prospective acreage at a loss in both the Gulf of Mexico and in the Utica shale play.

Development without success costs money and Sand Ridge has been forced to raise its debt position, now standing at five times earnings before interest, taxes, depreciation and amortization. Finally settling in the Mississippi Lime, Sand Ridge has found a core play whose breakeven costs do not works with oil well under $75 a barrel, much less well at the current $50 a barrel.

So those are the warning signs for an oil corporation working in U.S. shale — a rocky balance sheet with high levels of debt, a core play that is uneconomic at $50 oil and a negative cash flow without rapid chance of refinancing. In the U.S. shale players, there are several, mostly smaller companies that exhibit these issues and are at dire risk to also see target prices of zero.

Sand Ridge Energy, Inc., an oil and natural gas corporation, explores for and produces oil and natural gas properties primarily in the Mid-Continent region of the United States.

Rite Aid Corporation (NYSE:RAD), declined -4.60%, and closed at $7.68.

Rite Aid Corporation (RAD): Starting March 8, Rite Aid’s 2015 Miracle Balloon campaign will be underway for Children’s Miracle Network Hospitals, a leading nonprofit organization that raises funds for children’s hospitals to provide pediatric equipment, treatments, research, therapy programs and charitable care benefiting local sick and injured kids. Since becoming a sponsor in 1994, Rite Aid has raised nearly $70 million for Children’s Miracle Network Hospitals, counting $6.3 million in 2014. Rite Aid is the organization’s sixth largest corporate partner.

Starting March 8 through April 25, Rite Aid associates and customers can give the gift of a miracle by purchasing $1 paper Miracle Balloons, which will be proudly displayed in stores throughout the campaign. To show appreciation, supporters will receive $7 in coupon offers for a variety of items sold at Rite Aid.

“Rite Aid’s annual campaign for Children’s Miracle Network Hospitals is just one of the many ways our associates bring our core value of being a caring neighbor to life,” said Ken Martindale, Rite Aid president, chief operating officer and president of The Rite Aid Foundation. “Our associates have such a passion for supporting their local children’s hospitals and I know through their efforts this year, they will make even more miracles happen.”

Throughout the seven-week campaign, Rite Aid associates plan and host fundraisers to assist raise additional funds counting countless golf tournaments, car washes, bake sales and other special events throughout their communities. Members of Rite Aid’s administration team also dedicate a day each summer to washing cars and participating in carnival-themed games outside the corporation’s headquarters in Camp Hill, Pa.

Rite Aid Corporation (RAD) is one of the nation’s leading drugstore chains with nearly 4,600 stores in 31 states and the District of Columbia and fiscal 2014 annual proceeds of $25.5 billion.

Ambarella Inc (NASDAQ:AMBA), dipped -4.59%, and closed at $64.39.

Ambarella, Inc. (AMBA), a leading developer of low-power, HD video compression and image processing semiconductors, declared financial results for its fiscal fourth quarter and year ended January 31, 2015.

Proceed for the fourth quarter of fiscal 2015 was $64.7 million, up 61.9% from $40.0 million in the same period in fiscal 2014. For the fiscal year ended January 31, 2015, proceed was $218.3 million, up 38.5% from $157.6 million for the year ending January 31, 2014.

Gross margin under U.S. generally accepted accounting principles (GAAP) for the fourth quarter of fiscal 2015 was 64.1%, contrast with 64.0% for the same period in fiscal 2014. For the year ended January 31, 2015, GAAP gross margin was 63.7%, contrast with 63.4% for the year ended January 31, 2014.

GAAP net revenue for the fourth quarter of fiscal 2015 was $17.7 million, or $0.53 per diluted ordinary share, contrast with GAAP net revenue of $5.5 million, or $0.18 per diluted ordinary share, for the same period in fiscal 2014. GAAP net revenue for the year ended January 31, 2015 was $50.6 million, or $1.57 per diluted ordinary share. This compares with GAAP net revenue of $25.7 million, or $0.85 per diluted ordinary share, for the year ended January 31, 2014.

Gross margin on a non-GAAP basis for the fourth quarter of fiscal 2015 was 64.3%, contrast with 64.1% for the same period in fiscal 2014. For the year ended January 31, 2015, non-GAAP gross margin was 63.9%, contrast with 63.5% for the year ended January 31, 2014.

Non-GAAP net revenue for the fourth quarter of fiscal 2015 was $22.6 million, or $0.68 per diluted ordinary share. This compares with non-GAAP net revenue of $8.2 million, or $0.26 per diluted ordinary share, for the same period in fiscal 2014. Non-GAAP net revenue for the year ended January 31, 2015 was $64.4 million, or $2.00 per diluted ordinary share. This compares with non-GAAP net revenue of $33.2 million, or $1.10 per diluted ordinary share, for the year ended January 31, 2014.

Total cash, cash equivalents and marketable securities on hand at the end of the fourth fiscal quarter of 2015 was $208.0 million, contrast with $143.4 million at the end of the same quarter a year ago.

Ambarella, Inc. (AMBA), is a leading developer of low-power, high-definition (HD) and Ultra HD video compression and image processing solutions. The corporation’s products are used in a variety of professional and consumer applications counting security IP-cameras, sports cameras, wearable cameras, flying cameras and automotive video processing solutions. Ambarella compression chips are also used in broadcasting TV programs worldwide.

GoPro Inc (NASDAQ:GPRO), dropped -4.49%, and closed at $41.08.

GoPro, Inc. (GPRO): John Fichthorn, co-founder of Dialectic Capital Administration, says it’s time to short GoPro as competitors have begun to undercut the market leader by offering similar products for “a fraction of the price.”

“The whole market is getting a lot more competitive thanks to GoPro’s impressive marketing victory,” Fichthorn said Thursday on CNBC’s “Halftime Report.”

He said new competitors, counting SJCAM Transporte and Xiaomi, are offering wearable cameras that are “virtually identical to the GoPro, [with the] same components in many cases,” for less than half the price of a GoPro device.

GoPro’s growth outlook has changed pretty dramatically since last August when the corporation had a great product cycle in front of it, Fichthorn said. He anticipates the wearable camera maker to struggle with its margins and proceeds growth going forward.

GoPro shares have endured turbulence since the corporation went public in late June. After pricing at $24 per share, the stock floated to a high of $98 in October, only to give back much of its gains to trade in the low $40s.

GoPro, Inc. develops hardware and software solutions to alleviate consumer pain points associated with capturing, managing, sharing, and enjoying engaging content.