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In a way you have answered your own questions in your statements.
The whole tech market including NASDAQ tech stocks have been hit quite big. This is the risk of investing and made even worse for fledgling penny stocks across all sectors.
We will be in production by the end of the year and could be sooner now that Israel has opened up for travel.
On top of market movements in general , there are brokers who are manipulating stocks like WBT because of the projected value of the company. We are about to sign a FAB and first client. This will cement a foundation in the SP as to the direction of the company and the value of the company.
The brokers know what the value could be and want your shares!!
They need to return a profit to their clients.
Have a close look at the fundamentals of the company and the BOD including the history and the accomplishments to date.
This is just a little bump in the travels of investing.
You have not lost anything and will not loose anything imo if you hold.
You need to decide whether you are a long term investor and be patient for the rewards or be a day trader and take the risk with a stock.
Not financial advise. DYOR