Looking at the Dow 30, the biggest gainer this month was Caterpillar which rose by 32.16%. Chevron rose 25.93% and Honeywell rose by 22.19%.
There were 2 decliners for the month. Verizon was the worst performer with a -1.63% decline. Microsoft fell by -0.33%.
The performance of the Dow 30 in October