The Federal Reserve cut its key overnight lending rate again on Thursday, following on the heels of a half-point cut in mid-September.

After the Federal Reserve's interest-rate cut of a quarter percentage point Thursday, markets are already looking ahead to December's meeting. Pricing in the futures markets shows investors are putting a 63% chance on the Fed cutting interest rates by another 0.

The Fed lowered rates by 25 basis points to a 20-month low, but economists say tariffs may throw a wrench in the rate cutting cycle.