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Obscure Chip M&A: Vishay Offers $1.6B for International Rectifier

Can’t beat ‘em? Buy ‘em. The world of obscure semiconductors was on the move today, as shares of International Rectifier (IRF) rose $3.67, or 20 percent, to $22.49 after the company received an unsolicited offer from Vishay Intertechnology (VSH) to buy IRF for $1.6 billion in cash, or $21.22 per IRF share.