Argus has flipped bullish on Palantir Technologies (NASDAQ:PLTR), upgrading the stock to Buy from Hold with a $190 price target after a sharp post-earnings sell-off. The call lands the same day Citi reiterated a Buy rating and lifted its target to $225 from $210, signaling that Wall Street views the recent weakness as a sentiment ... Argus Just Upgraded Palantir to Buy After the Sell-Off. Is $190 the New Floor?