A premarket increase of this magnitude typically indicates a very positive development for the company, such as strong earnings, a potential acquisition, or other significant positive news. This sharp rise is likely to attract investor attention and could lead to increased trading volume and potential further gains when the market opens.

The article mentions AVGO but does not specify any news or events related to AVGO that would explain the premarket movement in VMware's stock. Without further information, it is not possible to assess the impact on AVGO's stock.