Full coverage: stock investing

Another period of market turmoil acts as a reminder of the value of the “endowment effect”: knowing the stocks you own can help avoid the dumb-money effect and the impact of volatility on passively managed portfolios.

Volatility and uncertainty are unavoidable. Reacting negatively and destroying wealth is not. We have the tools to thrive in a world in turmoil.

US voters obsess about the stock market because their pension depends on it, just like Irish ones do about house prices. The political consequences are dire.

The UK government thinks directing more personal savings to British assets will lift the British stock market. This is the kind of idea you come up with when you don't realise investments are new things in the real world.

Shareholder value is a big, broad, society-altering idea. It changes how companies organise themselves, how they invest, how they buy and sell, how they employ people and whom they employ. In the West, it bled into politics too. Finally, it's coming to Japan.

UK stocks are seriously undervalued and set to benefit from upcoming decreases in interest rates and from more stable politics after this year’s election. The signs are there after Labour's double by-election victory.

I think that the Japanese equity market has decent upside risk over the coming years. This is a big shift in my thinking, but I think it is warranted.

Market research has helped stock market investors navigate small-cap companies and avoid unprofitable ones - so-called zombies. Two years on from its IPO, the Irish medtech HealthBeacon is not in that category yet but the signs are worrying.

Traders make money from market efficiencies, which financial economists say are vanishingly rare. Mamdouh Medhat explains why his firm is a fund manager academics can get on board with.

CRH and Flutter are Ireland's two biggest companies, and they're both considering leaving the Dublin stock exchange this year. This is as much down to London as Dublin.