Symbols with full stop in title are not loaded

[cezeta]

I tried to display Siemens AG stock with symbol "SIE.DE" - it will not load, but it is available on the API:
https://finnhub.io/api/v1/search?q=SIE.DE&token=crfg24pr01qhc0hopfm0crfg24pr01qhc0hopfmg