I would check out the 2013 Razer Deathadder gaming mouse. Its a wired mouse and its by far the most comfortable mouse I've ever used.

I've used every mouse you could think of. I've looked for the most comfortable lest one, and the one that I personally recommend at least for trading or quick mouse movements (such as CAD work) is the Razer Deathadder.

The mouse is a little pricey, but it tracks smoothly with excellent precision.

An old simple 2 button Dell wired mouse finally started going bad after over 10 years, started experience a strange mouse input freeze/lag. Time for something new, any new suggestions other than what's here? Has anyone compared gaming mouse vs large touchpads/trackballs and have any thoughts? Certainly prefer wired, don't want to worry about batteries and connectivity when need to execute a trading action.

Got this and love it: G502 Proteus Core Gaming Mouse - FPS Mouse - Logitech

Any recommendations for a multi monitor mouse? The mouse on the computer I built is driving me crazy - it stalls, drags, lags - I have 4 monitors. I played with all the settings in Windows and the mouse setup several times but it's hopeless.
Are gaming mouses suitable? I have no idea how they differ from a regular mouse.

Any recommendations appreciated.

I have a Logitech Anywhere MX on different multiple screen systems. The one with most screens has 5 1920x1200 and 1 2550x1440. And I have no problems.

But have an extra set of batteries nearby