Upgrades According to Argus Research, the prior rating for Diageo PLC (NYSE:DEO) was changed from Hold to Buy. The current stock performance of Diageo shows a 52-week-high of $195.03 and a 52-week-low of $127.12. Moreover, at the end of the last trading period, the closing price was at $192.88. According to DA Davidson, the prior rating for FormFactor Inc (NASDAQ:FORM) was changed from Neutral to Buy. For the first quarter, FormFactor had an EPS of $0.38, compared to year-ago quarter EPS of $0.33. The stock has a 52-week-high of $52.39 and a 52-week-low of $22.37. At the end of the last trading period, FormFactor closed at $33.31. According to Stephens & Co., the prior rating for Dick’s Sporting Goods Inc (NYSE:DKS) was changed from Underweight to Equal-Weight. Dick’s Sporting Goods earned $3.79 in the first quarter, compared to $1.21 in the year-ago quarter. At the moment, the stock has a 52-week-high of $101.30 and a 52-week-low of $34.66. Dick’s Sporting Goods closed at $95.77 at the end of the last trading period. Citigroup upgraded the previous rating for Mirati Therapeutics Inc (NASDAQ:MRTX) from Neutral to Buy. For the first quarter, Mirati Therapeutics had an EPS of $2.67, compared