The Federal Reserve has dampened suggestions of a mid-2015 interest rate hike after weak GDP figures suggested the US recovery has lost momentum.
US economic growth saw a sharp slowdown in the first quarter of the year as a strong dollar hit exports, and bad weather hampered consumer spending.
The US Nasdaq index has closed above its dotcom boom record for the first time in 15 years.
Three reasons to 'put capital preservation above greed'
The International Monetary Fund (IMF) has warned global markets could be hit by turmoil worse than the 2013 'taper tantrum' when interest rates rise.
Grant Bughman, senior equity strategist at UBS Global Asset Management, says investors in the US have begun looking for bad news in hopes that it will postpone the first rate hike
Banks merit closer look
Beware global risks
US equities: Bang for your buck?
Economists have been emphasising the need for eurozone economies to start behaving more like those of the UK and US, but in reality the region is becoming more correlated with Japan than ever before, explains Chris Bailey, European strategist at Raymond...
US unemployment rate has fallen to the level considered to be the point at which wage levels should start to pick up – and consumer discretionary stocks will be the ones to benefit, according to Nick Ford, manager of the CF Miton US Opportunities fund
Given their recent years of easy credit and higher oil prices, US shale companies may struggle to adapt to the fall in oil prices seen over the past six months, says Jonathan Waghorn, co-manager of the Guinness Global Energy fund
BlackRock's chief executive Larry Fink has said the strength of the US dollar could undermine the economic recovery in the US as it puts pressure on US firms.
The unprecedented backdrop and uncertain outlook are likely to lead to significant trading opportunities in the US equities class as the year progresses, says Anthony McDonald, senior investment analyst at City Financial
History shows little relationship between the strength of the dollar and corporate profits, says Gregg Guerin, product specialist at First Trust Global Portfolios
Leading investment firms have told US regulators that the departure of Bill Gross from PIMCO was a “stress test” that the industry has passed.
The M&G Episode Income fund has seen a substantial shift in asset allocation over the past 12 months, boosting returns to drive it up the sector rankings.
Investors fear the US equity market may be the next victim of a soaring US dollar, as the strengthening currency begins to trigger fresh turmoil in emerging markets.
Investec Asset Management's John Stopford has begun hedging US equity exposure in his Diversified Income fund, despite this part of the portfolio being the most significant contributor to performance last year.
The impact of currency headwinds
Why US sector calls add risk
Vanguard's Australia director John James is to take over its UK and European operations to replace Thomas Rampulla, who will return to the group's US office.
US jobs growth accelerated again in February as the country added 295,000 new roles, according to the Bureau of Labor Statistics.
Saunderson House's Joe Smith takes a closer look at drivers for the dollar this year and what could potentially derail its strong run.