RIYADH: Saudi Arabia’s Tadawul All Share Index lost 22.16 points or 0.20 percent to finish at 11,258.61 on Monday, driven by falling oil prices and fears the US Federal Reserve could raise interest rates. On Monday, Brent crude dropped $1.68, or 2.09 percent, to $78.65 a barrel at 4:10 p.m. Saudi time, while US West Texas Intermediate crude slid $1.78, or 2.32 percent, to