NVIDIA Corp. (NASDAQ: NVDA): Auriga upgraded its rating on Nvidia to Buy from Hold. The firm also lifted its price target on the stock to $24 from $19. Nvidia shares rallied more than 2% in Tuesday's pre-market trading.
eBay Inc. (NASDAQ: EBAY): ThinkEquity upgraded its rating on the stock to Buy from Hold to Buy Tuesday morning. The firm modestly increased its price target to $38 from $36. eBay shares rose more than 2% in Tuesday's pre-market trading.
Goldman Sachs (NYSE: GS): JP Morgan upgraded the company to Overweight from Neutral.
Potash Corp. (NYSE: POT): Citigroup raised its rating on the company to Buy from Hold citing tariffs, and electricity shortages in China. The firm upped its price target to $67 from $61.
Medtronic Inc (NYSE: MDT): Argus lowered its rating on the company to Sell from Hold.
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