Key TakeawaysCaterpillar shares hit a record high Thursday and are up more than 30% this year.Reports of fresh Chinese stimulus measures drove a broad market rally.Caterpillar stands to benefit from a rebound in China's housing market, which has struggled in recent years. Caterpillar (CAT) shares rose more than 3% to a record high Thursday as reports of fresh Chinese stimulus efforts drove a wider market rally.  The Chinese government said Thursday that it would institute "necessary fiscal expenditures" and ...