Private Investors Diary Portfolio

It's difficult to ignore the powerful factors driving the world towards a robotics future. John Rosier is increasing his exposure to this next big phase in technological change

It pays to react quickly and firmly to early warning signs, says John Rosier

John Rosier discards a sizeable Europe holding in favour of an attractively priced UK medical specialist

The portfolio's performance is up on the first quarter, but it is still lagging the All-Share – time in the market, not timing the market is key

John Rosier, prompted by the Conviviality fiasco, has cut his losers and found some stimulating new investments with a strong bull case behind them

John Rosier explains why he's aiming to build up exposure to companies that are benefiting from advances in technology

The FTSE bore the brunt of a sharp global sell-off in January, but diarist John Rosier isn’t too worried by the correction

John Rosier reviews the recent strong performance of his portfolio and explains how he plans to drive performance in 2018

Our private investor diarist John Rosier explains why he’s shunning a shift to cash and remains fully invested

Our diarist John Rosier thinks the biotech sector is being judged too harshly by investors

Our private investor diarist, John Rosier, explains how investment trusts have been the biggest contributor to his returns this year

Our private investor diarist John Rosier’s portfolio’s good run continued through August, helped along by a five-bagger biotech

John Rosier's portfolio is performing strongly, helped by his mid- and small-cap holdings. But should he hold fewer stocks?

John Rosier updates investors on the six-month performance of his portfolio

John Rosier reports on changes made to his portfolio in May, and what the uncertainty created by the election means for his strategy

The dramatic recovery of an Aim-traded butcher meant a decent month for our diarist John Rosier's portfolio

After a lacklustre 2016, it was a welcome relief for our diarist, John Rosier, to see his good start to 2017 continue through March

After a poor 2016 John Rosier's portfolio is heading in the right direction again