2018-08-15: Nvidia Gets Double Upgrade Ahead Of Earnings. Upcoming Earnings: Tech Giant Nvidia Unveils New GPUs Ahead Of Q2 Results. 13F From David Tepper's Appaloosa Late Tuesday Showed Exited Stake In Applied Materials, NVIDIA; New 219.272K Share Stake In NXP Semiconductors. Q2 13F Roundup: How Buffett, Einhorn, Loeb And Others Adjusted Their Portfolio. 10 Biggest Price Target Changes For Wednesday. Benzinga's Top Upgrades, Downgrades For August 15, 2018. Wells Fargo Upgrades NVIDIA to Outperform, Raises Price Target to $315