The shares of SodaStream International, the Israeli fizzy-drinks maker, popped this week after Barclay's upgraded the company.  Sales are set to reach 1 billion dollars by 2016.
Saxo Bank's Head of Equity Strategy, Peter Garnry, says SodaStream's growth has really picked up in the past couple of years. Peter says its potential is huge.
So, to misquote the 70s ad,  is it time you started getting busy with the fizzy?