Mumbai, Dec. 8 -- WTI crude oil futures traded slightly higher on Monday as markets positioned for a possible 25bps rate cut from the US Federal Reserve this week, a move that could stimulate economic activity and support fuel demand. The dollar index slipped below 99, extending its two-week decline and offering additional tailwinds to commodity prices. Investors are also tracking a packed global central-bank lineup, with Australia, Brazil, Canada, and Switzerland all expected to hold rates steady. Geopolitical tensions remain a firm support pillar, as US-Russia talks failed to make progress and continued Ukrainian strikes on Russian oil facilities tightened supply concerns. MCX crude oil futures for December delivery traded up 0.15% at Rs....