Daily stock rockets & losers; Allkem leads the rockets after providing a pricing update

Looking at the movers and shakers on the ASX200 today.

Allkem is leading the stock rockets today, up 7.5% after the lithium chemicals company announced an update on its June quarter pricing for lithium carbonate and spodumene products.

Pilbara Minerals is also up 7.5% today so far.

And South32 rounds out the top three stock rockets today, up 5.3% after lunchtime despite no price sensitive news released by the mining and metals company today.

On the losing front, Polynovo leads the losers today, down 4.1% after lunchtime.

Perseus Mining is also trading down 4.1% today.

And Tyro Payments is trading just under 3.8% lower amid a sell-off in tech stocks.