Volume charts of ES #F, using eSignal for real-time streaming data. Both problems occur very frequently during regular trading hours but very rarely outside of that, so I wonder if its happening every time new data comes in. I also found using "Remove All Drawings" on all my open charts reduced it, ...

The cross cursor freezes in place briefly and repeatedly when I drag it across a chart. Also, even when I'm not moving the cursor, it flickers freqently. Any ideas what could cause this? I thought it might be the CPU usage going to 100%, but I've checked that and it doesn't. I'm using 1.9.440.760, b...