** Rivian Automotive RIVN.O shares decline 4.3% to $15.70 premarket
** The electric vehicle maker says it will get a smaller but quicker loan from the U.S. Department of Energy to set up its Georgia plant
** Revised amount of $4.5 billion is about $2 billion below approval but will allows RIVN earlier access to funds
** RIVN beats Q1 revenue estimates and posts a narrower loss while reaffirming its full-year delivery outlook of 62,000-67,000 vehicles
** 15 of 29 brokerages rate the stock "buy" or higher, nine "hold" and five "sell" or lower; their median price target is $17.80, per LSEG data
** As of last close, RIVN has slipped about 16.8% YTD, underperforming the Nasdaq's .IXIC 7.1% rise during the same period
(Reporting by Ragini Mathur in Bengaluru)
((Ragini.Mathur@thomsonreuters.com;))