Mizuho upgraded Airbnb Inc (NASDAQ:ABNB) to "buy" from "neutral" and hiked its price target to 200from150. The analyst in coverage noted the potential launch of sponsored listings, as well as demand stemming from the summer Olympics. ABNB was last seen up 1.8% at 163.88.Themajorityofanalystsareskepticalof Airbnbstock.Comingintotoday,26of36firmsincoveragecalledthesecurityatepid"hold"orworse,andthe12−monthconsensustargetpriceof151.40 is an 8.2% discount to current levels. ...