SolarCity's (SCTY +25.7%) big rally is "bubble-like," cautions Raymond James' Pavel Molchanov, who tried to temper enthusiasm about First Solar last month. Molchanov warns a June 11 lockup expiration could "open the floodgates." Credit Suisse also cited the lockup when downgrading shares on Tuesday; the firm estimates the lockup will increase SolarCity's tradable float by 8x-10x. (earlier)