2017-07-12: Nvidia Has A Massive Market Opportunity; SunTrust Upgrades To Buy. Benzinga's Top Upgrades, Downgrades For July 12, 2017. The Market In 5 Minutes. Encouraging Signs For Semiconductor ETFs. A Peek Into The Markets: U.S. Stock Futures Gain; Yellen Testimony In Focus. Jim Cramer Shares His Thoughts On Nvidia, Sirius XM, Chevron And TransUnion. SunTrust Robinson Humphrey Upgrades NVIDIA to Buy