By Jaspreet Singh March 4 (Reuters) - Chip designer Broadcom (AVGO) on Wednesday projected its artificial intelligence chip revenue would exceed $100 billion next year, signaling surging demand for custom chips in a market dominated by Nvidia (NVDA). The company's share price rose nearly 6% in premarket trading on Thursday ‌after it also announced a new share repurchase program of up to $10 billion through the end of the year. Big Tech firms such as ‌Alphabet (GOOG, GOOGL), Microsoft (MSFT), Amazon (A ...