BUZZ-Saudi bank shares slide on Q4 earnings misses

Jan 22 (Reuters) - ** Shares in nine of 12 listed Saudi banks drop after several posted fourth-quarter earnings below estimates ** Alawwal Bank falls 6.4 percent after swinging to net loss of 249.3 million riyals ($66.5 million) from year-earlier net profit of 451.3 million riyals; Alistithmar Capital and EFG Hermes had forecast profit of 330.5 million and 438.0 million riyals ** Saudi British Bank drops 3.2 percent after posting 35 percent drop in fourth-quarter net profit; Banque Saudi Fransi