Roleset notch.01 Verbnet Class: 1 "make a notch, mark":

Roles:

Arg0:agent, entity marking


Arg1:thing being commemorated


Arg2:thing gaining the notch (ie, belt)

Examples:

the one example (-)
Drug companies in the key index also notched gains as market-makers searched for stock in anticipation of demand due to the sector's defensive qualities.
Arg0:	Drug companies in the key index
ArgM-DIS:	also
REL:	notched
Arg1:	gains
ArgM-CAU:	as market-makers searched for stock in anticipation of demand due to the sector's defensive qualities




showing arg2 (-)
After another successful conquest, John notched his bedpost.
Argm-TMP:	After another successful conquest
Arg0:	John
REL:	notched
Arg2:	his bedpost

I doubt you could see both Arg1 and Arg2 in a single sentence, but I don't want to split the roleset.

Roleset notch.02 Verbnet Class: NONE "move incrementally":

Roles:

Arg0:entity moving something


Arg1:Logical subject, patient, thing moving


Arg2:EXT, amount moved


Arg3:start point


Arg4:end point


ArgM-LOC:medium


ArgM-DIR:direction--REQUIRED

Examples:

the other example (-)
After the trading halt in the S&P 500 pit in Chicago, waves of selling continued to hit stocks themselves on the Big Board, and specialists continued *trace* to notch prices down.
Arg0:	*trace* -> specialists
REL:	notch
Arg1:	prices
ArgM-DIR:	down

Refer to 'edge' for additional examples, or 'move'.