The stock closed at $20.73 on Wednesday, its second straight gain, as the Nasdaq rose 2.02% and the Dow added 1.24%.
Sony remained below Kyocera's 4.35% rise but beat Sharp's 1.19% gain and narrowly topped Philips' 2.95% advance in ADR trading.
Trading volume reached 10.9 million shares, more than double its 50-day average of 5.4 million, though the ADR still sits 31.67% below its 52-week high of $30.34.
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