Quotes from the news wire:
Markets began 2019 pricing in gloom and doom after major indexes fell ... in 2018. If the major risks facing the market, rising interest rates and a full-blown trade war, are avoided, equities can rally to new record highs, interest rate risks have clearly subsided, and trade negotiations appear to be moving closer to a resolution. These are very positive developments for stock markets.
There seems to be little risk that central banks, either domestically or internationally, are going to do anything to disrupt what has been a fragile global recovery, that stance reassures investors that potential downside risk is likely to be limited, and so it’s more likely to respond positively to any good news.