Bumper crop of tech conferences for your consideration

From Tralee to Croke Park, summit season gets into full swing over the coming weeks

Overstock to add 100 research and development jobs in Sligo

Move will triple company’s headcount in Ireland

Asos slides 5.3% following US decision on sales taxes

Fellow UK online fashion retailer Boohoo also down 2.5 per cent

Supreme Court ruling paves way for US states to collect online sales tax

Shares in Amazon and Ebay immediately move lower

Weak pound boosts the FTSE 100 while European shares slip back

Ryanair fell more than 4% after news that some Dublin pilots have voted to strike

Bitcoin spins into wider currency as banks brace for major change

Barriers such as faith in fiduciary issue, control and money-laundering are being overcome

Expedia to accept bitcoins