[anarazel]

Looks like it's also on increases, yes:

https://www.sec.gov/oiea/investor-alerts-bulletins/investor-...

[mattkrause]

Limit-up/Limit-down applies to individual equities that are moving strongly in either direction.

The market-wide circuit breakers, which triggered this morning, only apply to declines.

[evanpw]

Single-stock volatility halts happen in either direction, but market-wide circuit breakers only happen on down moves.

[andrewla]

The limits for individual stocks are up/down limits, but the market-wide halts are only for declines.