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(Updates from 10:37 a.m. ET with closing information.) NEW YORK ( TheStreet) -- Here's what Jim Cramer had to say on CNBC's "Squawk On The Street" Wednesday. Piper Jaffray upgraded ARM Holdings ( ARMH). Cramer wasn't surprised, noting people want to own technology stocks. "It's time to buy," he said. ARMH was unchanged at $36.45. Mosaic ( MOS) is down due to its inability to complete a deal with Cargill shareholders over the repurchasing of shares. "That was a big overhang and now we're back in the agricultural herd," Cramer said. MOS fell 1.8% to $54.91. BMO Capital upgraded KeyCorp ( KEY) to outperform from market perform. Cramer said that company has one of the best charts in the industry. KEY was up 1.5% to $10.88. Wall Street just won't let Intuitive Surgical ( ISRG) go down, Cramer said, despite ongoing allegations about the company's practices. ISRG was flat at $503.90. PulteGroup ( PHM) was downgraded by Merrill Lynch. Cramer noted that everyone has been hating the homebuilders so much that "it's scary." PHM was unchanged at $19.03. Goldman Sachs thinks Dollar Tree ( DLTR) will beat on earnings and raise guidance. Cramer said he loves this stock and the company, particularly its candy aisle. DLTR was unahanged at $49.95. To sign up for Jim Cramer's free Booyah! newsletter, with all of his latest articles and videos, please click here. -- Written by Bret Kenwell in Petoskey, Mich. Follow @BretKenwell