Aluminum giant Alcoa just reported earnings that fell short of analysts' expectations.
Thanks to its size and global footprint, Alcoa is widely considered a decent bellwether of economic activity.
Below are the key slides from the company's earnings presentation.
Demand is expected to be up 7%, largely due to 10% growth in China. Excluding China, demand is expected to be up 4%.
Areas of strength include aerospace and commercial building.
