Roblox Stock Falls. A Downgrade to Sell Suggests Earnings Rally Could Be 'Overly Optimistic' — Barrons.com

By Kit NortonRoblox stock fell Monday after shares of the videogame company were downgraded as Wall Street believes the 30% rally since second-quarter earnings were released represents an overly optimistic view from investors.Roblox stock declined 3.5% to $44.80 in premarket trading on Monday after…