MIDEAST STOCKS-Saudi Kayan Q2 bullish but oil price weak

DUBAI, July 24 (Reuters) - Saudi Arabia's stock market may be buoyed by strong earnings from a petrochemical company on Sunday but weak oil prices look set to limit gains, while most other Saudi earnings were in line with expectations. Saudi Kayan Petrochemical swung to a net profit in the second quarter, ending a run of five straight losses. It made a net profit of 91.02 million riyals ($24.27 million); the average estimate of three analysts polled by Reuters had been for a quarterly loss of 18