(Reuters) - Intel Corp forecast first-quarter revenue and profit below analysts' estimates on Thursday, adding to concerns of an industry-wide slowdown sparked by the U.S.-China trade war. The company forecast current-quarter revenue of $16 billion (£12 billion) and adjusted earnings 87 cents per share.Analysts on average were expecting revenue of $17.35 billion and a profit of $1.01 per share, according to IBES data from Refinitiv. The company reported net income of $5.20 billion, or $1.12..