public async Task <StockTicker> RemoveAsync(string ticker, CancellationToken ct)
{
var stockTickers = await _context.StockTickers.SingleOrDefaultAsync(g => g.Id == ticker, ct);
if (stockTickers != null)
{
_context.Remove(stockTickers);
await _context.SaveChangesAsync(ct);
}
return(stockTickers.ToServiceModel());
}
