Spinning mind often happens for me, too.

BethRags, thanks for the STOP! The STOP sign is a strong visual signal that is so helpful for trying to help cope that there are some variations of how to use it.

One way is to visualize and say STOP and substitute more helpful thoughts (The Stop! Technique and Controlling Obsessive Thoughts).

Another is to visualize the Stop sign as an acronym for
S=Stop,
T=Take some deep breaths,
O=Observe what one is experiencing
P=Proceed with something helpful (see the following for more details Stressing Out? S.T.O.P. - Mindful and for STOPP at STOPP skill).

Tools to try for coping! Maybe one of them will work for you.