** Shares of video gaming platform Roblox RBLX.N rise 1.5% to $134.2 premarket
** Piper Sandler, top-rated analyst for stock, per LSEG data, raises PT to street-high $180 from $175
** Brokerage says Roblox is continuing to get better at surfacing and promoting content
** "We see more hit games to come driven by investments in developer tools and search & discovery," Piper Sandler says
** 24 of 34 brokerages rate the stock "buy" or higher, 8 "hold" and 2 "sell"; median PT is $151 - data compiled by LSEG
** Up to last close, stock price more than doubled YTD