BUZZ-Saudi's Al Rajhi Bank rises after earnings beat

** Shares in Saudi Arabia's Al Rajhi Bank rise 1.3 percent to 57.50 riyals ** It posted first-quarter net profit of 2.02 billion riyals ($538.7 million), a 32.8 percent jump, as it cut wage costs and fee income increased ** Six analysts surveyed by Reuters had on average forecast quarterly profit of 1.84 billion riyals ** Al Rajhi is ninth Saudi bank to report first-quarter earnings; all have topped or met analysts' expectations ** Bank sub-index rises 0.3 percent ** Saudi Arabia's stock index s