NEW YORK ( TheStreet) -- These four companies reached 52-week highs on Tuesday: Apple ( AAPL), Starbucks ( SBUX), Tractor Supply ( TSCO) and Triumph Group ( TGI). Each of these stocks received a buy rating from TheStreet Ratings. Apple The iPad and iPhone maker on Tuesday named John Browett, CEO of European electronics retailer Dixons, to lead the tech giant's retail expansion. Browett will join Apple in April. He replaces Ron Johnson, who left Apple in November to run J.C. Penney. Apple's first-quarter results last week blew away expectations with $46.33 billion in revenue and profit of $13.06 billion, or $13.87 a share. Analysts anticipated about $39 billion in revenue and profit of $10.15 a share. Morgan Keegan analysts noted in a Jan. 26 report that they expect iPhone versus non-iPhone sales to become more "lopsided when Sprint's data comes out." "Non-iPhone smartphones actually decreased between Q3 and Q4 breaking a normally positive seasonal trend. To us this indicates that Apple took some subscriber share this quarter as well, and did not just benefit from iPhone fanatics upgrading," Morgan Keegan analysts wrote in the report. Shares of Apple hit a 52-week high of $458.24 on Tuesday. The stock's 52-week low of $310.50 was set on June 20. TheStreet Ratings gives Apple an A+ grade with a price target of $583.58. The stock has risen 13.05% year to date.