It's up about 18% now and trading at $523, according to coin360.
What influences this pump?
Most altcoins ride on the success of bitcoin and BCH isn't any different...other influences depend on what's breaking in the news and latest developments in terms of regulation.
BCH worth investing
Others will tell you it won't, others will say it is worth investing in and will make you money...but honestly it's all about risk taking and trying your luck. Go with your gut feeling with what will make you some money.