Updates
** Shares of electric aircraft maker BETA technologies BETA.N rise more than 11% to about $19 in early trading
** Amazon AMZN.O on Tuesday reported stake of 11.8 million class A common shares in BETA, according to SEC filing
** Jefferies upgrades BETA's rating to "buy" from "hold", leaves PT unchanged at $30
** Brokerage sees new catalysts emerging for eVTOL sector, with BETA's pusher‑motor program on track for certification in first half of this year
** Median PT of eight brokerages covering stock is $38.5 - data compiled by LSEG
** Including session's moves, shares down 34% YTD
(Reporting by Megavarshini G. Somasundaram and Apratim Sarkar in Bengaluru)
((Megavarshini.SomasundaramGnanasundari@thomsonreuters.com))