BUZZ -Ballard Power Systems Inc: Jennings Capital starts with "buy"
** Canadian fuel cell maker's U.S.-listed shares up 6.5 percent at $3.79
** Jennings Capital initiates coverage on stock with "buy" and price target of $40
** Analysts say Ballard's recent patent acquisitions from United Technologies Corp would help it focus better on auto sector and strengthen its position as preferred engineering partner
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