8:03AM Power Integrations beats by $0.03, beats on revs; guides Q4 revs above consensus (POWI) 32.46 : Reports Q3 (Sep) earnings of $0.36 per share, $0.03 better than the First Call consensus of $0.33; revenues rose 21.7% year/year to $60 mln vs the $57 mln consensus. Co issues upside guidance for Q4, sees Q4 revs of $63-66 mln vs. $55.65 mln consensus. Q4 Non-GAAP gross margin is expected to be 50%, plus or minus half a percentage point. GAAP gross margin is expected to be between 49 and 50%. Operating expenses are expected to be between $19.5 million and $20 million including approximately $2.5 million of stock-based compensation expenses.