$PHUN shares rose 28.1% to $4.20 in pre-market trading after the company announced its 'Phun' utility tokens are now available in international markets.

$ACTI rose 19.1% to $1.25 in pre-market trading on continued strength after a bullish blog post was published on Seeking Alpha on Tuesday.

$RIOT shares rose 12.1% to $3.70 in pre-market trading in sympathy with a 10% rise in the price of Bitcoin this morning. Strength in the crypto space may also be linked to the recent announcement of Facebook's Libra.

$MARA shares rose 11.6% to $2.98 in pre-market trading in sympathy with a 10% rise in the price of Bitcoin this morning

$BB rose 6.2% to $8.80 in pre-market trading after the company reported better-than-expected Q1 earnings and sales results