** Applied Optoelectronics' AAOI.O shares jump 79% to $28.42 in extended trade

** Fiber optic networking products maker issues tech giant Amazon AMZN.O warrant to purchase up to ~7.9 million of its shares at an exercise price of $23.6954 per share

** About 1.3 million warrant shares vested on the date of issuance, with the balance vesting over time based on discretionary purchases by Amazon, up to a total of $4 billion

** AAOI stock closed down 8.3% at $15.87

** As of last close, AAOI stock down 57% YTD

(Reporting by Arasu Kannagi Basil in Bengaluru)

((ArasuKannagi.Basil@thomsonreuters.com))