Altera shareholder challenges company over Intel

(Reuters) - TIG Advisors LLC, an investment firm that holds shares in Altera Corp, challenged the company's board director nomination on Monday over its refusal to engage with Intel Corp about a potential merger. TIG Advisors is the first shareholder to go on the record in a bid to put pressure Altera. It urged Altera's shareholders in a letter on Monday to vote against the company's lead independent director Michael Nevens at its annual meeting of stockholders scheduled on May 11