Bloom Energy stock rose to $25 a share on its first day of trading, but fell below $22 in trading on Tuesday
The Silicon Valley, CA company with a plant in Newark opened at nearly $19 a share on Wednesday.
Shares then dropped in after-hours trading, with the downturn continuing today. Such ups and downs are not uncommon as shares go on the market and traders pocket quick gains.
The performance was remarkable since the offering materials indicated that the fuel cell maker will not be profitable in the foreseeable future. Questions over previous funding have also surrounded the company
The stock materials did indicate that the company has reduced the cost of producing the fuel cells that regained federal tax breaks for the fuel cells.
Bloom has been signing up Fortune 500 companies as customers for the fuel cells that are used as a source of backup power, but also run continuously and can feed electricity into the grid.
In Delaware, a group of Bloom fuel cells feeds electricity into the grid, with Delmarva Power customers paying the additional charges.
The charges that were approved by the Delaware General Assembly have been controversial as electricity prices dropped, due to conservation and abundant supplies of natural gas.
Bloom cells are fueled by natural gas.
